Commerce, Greenville, Longview, Lufkin, Marshall, Nacogdoches, Palestine, Paris, Texarkana, Tyler, and surrounding areas.

Fort Worth, Texas and the surrounding area (with a zip code that begins with "76").

Gulf Coast Mensa encompasses southeast Texas, including Houston, and consists of over 900 members.

Austin and Central Texas.

The Dallas area; roughly, zip codes from 75000-75399.

The El Paso, TX and Las Cruces NM local Mensa group.

San Antonio, Texas area.